What is a blood transfusion? National Heart Lung and Blood Institute website. Available at:
http://www.nhlbi.nih.gov/health/dci/Diseases/bt/bt%5Frisk.html
. Updated January 30, 2012. Accessed October 15, 2012.

What I need to know about hepatitis C. National Digestive Diseases Information Clearinghouse website. Available at:
http://digestive.niddk.nih.gov/ddiseases/pubs/hepc%5Fez/
.
Published April 2009. Updated May 10, 2012. Accessed October 15, 2012.